REL: Release 1.4.1

REL: add the readme back as the project long_description

Temp tag for internal deployment.

DOC: Remove note to edit pypirc.

DOC: Remove note to edit pypirc.

Merge pull request quantopian#2139 from quantopian/manifest-in

REL: Add .pxd files to MANIFEST.in

DOC: Add whatsnew for zipline 1.1.1 (quantopian#1868)

* DOC: Add whatsnew for 1.1.1

* DOC: Update type stubs

REL: Update stubs for 1.1.0 release

Merge pull request quantopian#1473 from quantopian/release-1.0.2

REL: Prepare for 1.0.2 release.

BLD: Update MANIFEST to include .pyi and .pxi.